If you sending estimates forward and backward with your clients, this feature will help you to avoid confusions and further misunderstandings. You can add “sub numbers” to your estimates.
– You send an estimate with the number AN-189, to your client.
– Client wants changes, you add the changes and send it again as AN-189.1
– Client wants to have a better price, you change the prices and send it again as AN-189.2